串级系统

The problem of the H〓 control for multi-input cascade nonlinear systems is investigated.

二研究了多输入非线性串级系统的H〓控制问题。

Draw lessons from increment type observation implement with PI condition observation implement research achievement, combine heat to dominate a field complex control system designs bunchy form normally the actual condition of regulating system, offer observation of function of PI of increment style broad sense implement and the concept that its condition feedbacks, the tectonic regulating system that cluster form and observation implement feedback of shirt-sleeve broad sense condition controls a system, learn an analysis through number, give out the sufficient condition of IFO-PIO/BS reachs his corresponding theorem and deductive proof, announce give this to controlled systematic equivalence to be had at IFO-PIO/BS change the function that gain condition feedbacks.

借鉴增量式观测器和PI状态观测器的探究成果，并结合热控领域复杂控制系统通常设计成串级调节系统的实际情况，提出增量式广义PI函数观测器及其状态反馈的概念，构造串级调节系统和观测器相融合的广义状态反馈控制系统，通过数学分析，给出IFO-PIO/BS的充分条件及其相应定理和推论的证实，揭示出该控制系统等价于IFO-PIO/BS具有了变增益状态反馈的功能。

According to its characteristics, it explains using cascade control system is suitable when the lag of object and time constant is large, disturbing function is strong and frequent, and the change of burden is great.

根据串级控制系统的特点，说明了当对象的滞后和时间常数很大，干扰作用强而频繁，负荷变化大，使用串级控制系统是合适的。

Research of Engineering Design Simulation Model and Application on Double Loop Speed Control System;2. The double loop series adjustable speed system is worth to use in pratice bec.

为了改善串级润达系统的性能指标，根据交流调速理论及自动控制的系统的原理，介绍了Pn控制的双闭环串级调速系统的组成、工作原理和操作步骤，简要分析了调速系统的动态性能。

In this paper, the basic principle and the power factor of conventional SERDS are discussed. Aiming at its shortage of low power factor, boost chopper type SERDS is adopted. The equivalent circuit of the new scheme is built up, and then vector diagram is used to analyze the power factor of the system, also the harmonic distortion of the system is discussed. The experiment device is established base on a 380F/7.5 kW induction motor and a passive soft switching scheme is applied in order to improve the working condition of IGBT. At last, the experimental results are shown.

本文在分析传统串级调速原理的基础上，对系统的功率因数进行分析；针对传统串级调速系统功率因数低的缺点，采用升压斩波式串级调速系统加以改进；建立了升压斩波式串级调速系统的等效电路并采用向量图法对该系统的功率因数进行详细分析；分析了系统的谐波情况；构建了以7.5kW／380V电机为调速对象的升压斩波式串级调速系统实验装置，给出相应的实验结果；针对斩波器中IGBT处于硬开关状态的缺点，应用无源无损软开关技术予以改善，包括对软开关电路工作原理的分析、参数的设计并给出相应的实验结果。

An adaptive controller for multi-input cascade nonlinear system with unmodelled terms is given, the control design is based on backstepping recursive design method.

对一类含有未知参数和未建模项的多输入非线性串级系统，基于backstepping递推设计方法，进行了非过参数化自适应控制设计，得到的闭环系统的所有信号是全局有界的，并且给出了第一子系统的状态界的一个估计。

Therefore, we take into account the KMM Feedforward Controller Design - Cascade system to control the boiler water level

因此我们考虑到KMM控制器的设计前馈——串级系统来控制锅炉水位

For double-tank cascade, using engineering setting method to design the PID controller.

而对于双容串级系统则使用工程上的参数整定方法设计其PID控制器。

In order to design the controller of gas engine-driven heat pump system, the system s dynamic response was researched when a kind of control strategy for GEHP——cascade fuzzy control was used.

为了设计燃气热泵系统的控制器，通过仿真试验对利用串级模糊控制时系统的动态响应过程进行了研究，介绍了串级模糊控制系统的结构和参数设计，并比较了串级PI控制和串级模糊控制两种策略下系统的阶跃响应，以及它们克服干扰的效果。

In this paper, the basic principle of the conventional slip energy recovery induction motor drive is discussed. Two kinds of slip energy recovery induction motor driving systems with high factors are discussed, and the performance analysis of these methods is compared. On the basis of above, a new type of three-phase and four-line slip energy recovering drive is proposed.

本文首先从普通串调原理入手，简要分析了影响串调系统功率因数的主要因素；在对三相四线双晶闸管串级调速、新型GTO串级调速等几种高功率方案进行分析与比较的基础上，提出了一种新型三相四线制双IGBT串级调速控制方案。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。